package com.calculation;

public class CalculationSystem {
    public static void main(String[] args) {
        System.out.println("加减法口算练习系统");
        System.out.println("=================");

        Exercise exercise = new Exercise();
        exercise.generateExercises(50);
        exercise.displayExercises();

        System.out.println("\n共50道习题");
    }
}